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Your search for "human" returned 7,211 results
How Kin Selection Works
science.howstuffworks.com/life/evolution/kin-selection.htm
We're used to taking the phrase "survival of the fittest" to mean it's an "every man for himself" world. But some animals (like worker bees) sacrifice themselves to ensure their species lives on. Why would they do this?
What's more important, water on the moon or on Mars?
science.howstuffworks.com/water-moon-mars.htm
The existence of water on the moon and Mars is explained in this article. Learn about water on the moon and Mars.
Is there a torture manual?
science.howstuffworks.com/torture-manual.htm
A torture manual that was used by al-Qaida to torture Iraqi nationals was discovered in May of 2007. Learn about the discovery of the torture manual.
How Taste Works
health.howstuffworks.com/mental-health/human-nature/perception/taste.htm
Taste may actually be the most complicated sense as scientists know less about it than sight and hearing. Learn about taste and how taste works.
How a Brain-Computer Interface Works
computer.howstuffworks.com/brain-computer-interface.htm
Brain-computer interfaces allow you to manipulate computers and machinery with your thoughts. Learn more about brain-computer interface technology.
How Bug Spray Works
home.howstuffworks.com/home-improvement/household-hints-tips/insect-control/bug-spray.htm
Our world is full of insects, and our first response to seeing one is usually to reach for a can of spray to zap it. Is this good idea? What's in your typical can of bug spray? And, could it harm you, too?
10 Scapegoats Still in the Crosshairs
history.howstuffworks.com/historical-figures/10-scapegoats-still-in-crosshairs.htm
Scapegoating lets us blame others instead of accepting the consequences of our actions. Ready to meet some of the world's most famous scapegoats?
What device did Douglas Engelbart invent?
science.howstuffworks.com/innovation/big-thinkers/douglas-engelbart-invention.htm
If this were trivia night, your team could probably summon this answer without breaking a sweat. But in true polymath style, Engelbart's signature invention is only part of his computer genius. Meet him.
Wishing Wells: Meaning, Superstitions, and Famous Locations
people.howstuffworks.com/wishing-well.htm
Did your wish come true? Before you toss another coin, discover the bizarre origins and strange superstitions surrounding wishing wells. Click to learn more.
How Zero Works
science.howstuffworks.com/math-concepts/zero.htm
You use the number zero all the time, but it may surprise you to learn that it sometimes isn't a number at all. It may surprise you even more to learn that it was all but invented. See what else surprises you about zero in this article.